Vulnerability Details : CVE-2017-7929
An Absolute Path Traversal issue was discovered in Advantech WebAccess Version 8.1 and prior. The absolute path traversal vulnerability has been identified, which may allow an attacker to traverse the file system to access restricted files or directories.
Vulnerability category: Directory traversal
Products affected by CVE-2017-7929
- cpe:2.3:a:advantech:webaccess:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-7929
0.52%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 77 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-7929
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:N/A:P |
8.0
|
4.9
|
NIST | |
7.1
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H |
2.8
|
4.2
|
NIST |
CWE ids for CVE-2017-7929
-
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.Assigned by: nvd@nist.gov (Primary)
-
The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize absolute path sequences such as "/abs/path" that can resolve to a location that is outside of that directory.Assigned by: ics-cert@hq.dhs.gov (Secondary)
References for CVE-2017-7929
-
http://www.securityfocus.com/bid/98311
Advantech WebAccess CVE-2017-7929 Directory Traversal VulnerabilityThird Party Advisory;VDB Entry
-
https://ics-cert.us-cert.gov/advisories/ICSA-17-124-03
Advantech WebAccess | CISAMitigation;Third Party Advisory;US Government Resource
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